61.   Louisiana increased security in the corridor of petrochemical plants northwest of New Orleans, and visitors were banned from hydroelectric dams in the Northwest.

62.   Louisiana increased security in the corridor of petro-chemical plants northwest of New Orleans, and visitors were banned from hydro-electric dams in the Northwest.

63.   Manufacturers are working to increase security, testing verification technologies like voice and face recognition as well as iris and fingerprint scanning.

64.   Ms. Corsaut said the corrections department began putting up the electric fences to increase security and reduce the number of guards needed in the towers.

65.   Most of the pressure to increase security came from the Nuclear Control Institute, a group in Washington that seeks to limit the spread of nuclear weapons.

66.   No arrests were made, but security was increased at the embassies.

67.   Of the rest, some will go toward investigations and increased transportation security.

68.   Nonetheless, at Ellis Island, the Statue of Liberty and all other federal park sites in New York City, security was increased immediately.

69.   On the West Coast, at Los Angeles International Airport, security was increased and police said they would monitor the local situation for any potential problems.

70.   Powell said the administration was seeking more money to increase security at U.S. embassies.

v. + security >>共 638
tighten 8.10%
provide 7.43%
step_up 5.27%
improve 4.37%
sell 4.33%
increase 4.28%
beef_up 3.25%
buy 3.22%
threaten 2.30%
guarantee 2.22%
increase + n. >>共 661
number 5.30%
risk 3.45%
pressure 3.43%
cost 2.23%
production 2.20%
chance 2.07%
security 1.77%
demand 1.67%
sale 1.66%
price 1.64%
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